She said: "I’ve suffered with shingles-like viruses throughout my life, so I looked into what foods are good for your immune system, metabolism and menopause.

"A vegan diet had everything I wanted – I can digest it all properly, as I get irritable bowel when I’m stressed, and I’m intolerant to milk. But I’m not vegan. I’ll happily have a steak! I call myself vegan-ish!"

Andrea’s preparation comes ahead of her wedding to Nick – the pair announced their engagement in August after four years together.